Aatmospheric Composition and Structure
An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it subject is high and the temperature of the atmosphere is low.
Composition of Atmosphere
- A unit mass of dry air is made up of 78.084 per cent Nitrogen (N2), 20.946 per cent, Oxygen (O2), 0.934 per cent, Argon (A), 0.036 per cent, Carbon dioxide (CO2), and smaller proportions of rare gases such as neon, helium, methane and hydrogen.
- Atmosphere ....
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